345611887 has 8 divisors (see below), whose sum is σ = 372847536. Its totient is φ = 319143552.

The previous prime is 345611863. The next prime is 345611897. The reversal of 345611887 is 788116543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345611887 - 2¹¹ = 345609839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345611897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190893 + ... + 192694.

It is an arithmetic number, because the mean of its divisors is an integer number (46605942).

Almost surely, 2^345611887 is an apocalyptic number.

345611887 is a deficient number, since it is larger than the sum of its proper divisors (27235649).

345611887 is a wasteful number, since it uses less digits than its factorization.

345611887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383657.

The product of its digits is 161280, while the sum is 43.

The square root of 345611887 is about 18590.6397684426. The cubic root of 345611887 is about 701.7723028656.

The spelling of 345611887 in words is "three hundred forty-five million, six hundred eleven thousand, eight hundred eighty-seven".